Forget fancy moves or the size of his manhood, it’s a man’s sense of humour, self-confidence and family income which determines how satisfying he is in the sack.

The survey of female college students,conducted by psychologist George Gallup and his colleagues at the University at Albany, concluded: ‘how often women experienced orgasm as a result of sexual intercourse was related to their partner’s family income, his self-confidence, and how attractive he was.’